131584336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20459

約数の個数: 40

約数和(自身を含む): 283426304

約数和(自身を除く): 151841968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20407, 40814, 81628, 163256, 265291, 326512, 530582, 632617, 1061164, 1265234, 2122328, 2530468, 4244656, 5060936, 8224021, 10121872, 16448042, 32896084, 65792168, 131584336]

約数ペア:

[(1, 131584336), (2, 65792168), (4, 32896084), (8, 16448042), (13, 10121872), (16, 8224021), (26, 5060936), (31, 4244656), (52, 2530468), (62, 2122328), (104, 1265234), (124, 1061164), (208, 632617), (248, 530582), (403, 326512), (496, 265291), (806, 163256), (1612, 81628), (3224, 40814), (6448, 20407)]